2549123 has 2 divisors, whose sum is σ = 2549124. Its totient is φ = 2549122.

The previous prime is 2549119. The next prime is 2549143. The reversal of 2549123 is 3219452.

2549123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2549123 - 2² = 2549119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2549092 and 2549101.

It is not a weakly prime, because it can be changed into another prime (2549143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1274561 + 1274562.

It is an arithmetic number, because the mean of its divisors is an integer number (1274562).

2^2549123 is an apocalyptic number.

2549123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2549123 is an equidigital number, since it uses as much as digits as its factorization.

2549123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 2549123 is about 1596.5973193013. The cubic root of 2549123 is about 136.6040568526.

The spelling of 2549123 in words is "two million, five hundred forty-nine thousand, one hundred twenty-three".